A unit of matched items consisting of a circular or cylindrical item, ground for provision to be lapped with the mating seating surface to function as a unit to form a drip tight seal. May include plate, insert, guide, rings, and the like. See also disk, valve and seat, valve.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 6240-01-014-5598
NSN 2925-00-288-1394
NSN 6620-00-357-1157
NSN 5990-00-979-9258
NSN 5910-00-448-9959
NSN 5915-01-414-8607
NSN 6610-01-617-3357
NSN 6220-01-023-8818
NSN 5975-00-971-4897
NSN 6130-01-325-9891
NSN 5996-01-054-3226
NSN 6130-01-116-1622